20201408

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:517

約数の個数: 56

約数和(自身を含む): 43434000

約数和(自身を除く): 23232592

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 148, 152, 296, 304, 449, 592, 608, 703, 898, 1184, 1216, 1406, 1796, 2368, 2812, 3592, 5624, 7184, 8531, 11248, 14368, 16613, 17062, 22496, 28736, 33226, 34124, 44992, 66452, 68248, 132904, 136496, 265808, 272992, 315647, 531616, 545984, 631294, 1063232, 1262588, 2525176, 5050352, 10100704, 20201408]

約数ペア:

[(1, 20201408), (2, 10100704), (4, 5050352), (8, 2525176), (16, 1262588), (19, 1063232), (32, 631294), (37, 545984), (38, 531616), (64, 315647), (74, 272992), (76, 265808), (148, 136496), (152, 132904), (296, 68248), (304, 66452), (449, 44992), (592, 34124), (608, 33226), (703, 28736), (898, 22496), (1184, 17062), (1216, 16613), (1406, 14368), (1796, 11248), (2368, 8531), (2812, 7184), (3592, 5624)]